Hair curler



auvznto'a WILBUR. $.LEWI6 Patented Nov. 12, 1929 TUNITTED \STATES PATENTTOFFICE WILBUR S. LEWIS, 01 LAKEWOOD, OHIO, ASSIGNOR TO THE NESTLE LE MUR COMI PAN Y,

OF CLEVELAND, OHIO, 'A CORPORATION OF OHIO HAIR CURLER Application ,filed June 15 My invention relates to hair curlers upon which strands of hair are carried during the formation of permanent waves thereln.

In order to form permanent waves 1n human hair, it is necessary to wrap it in desired form and then maintain it stretched in such form during a heating operation in which a solution is steamed in the hair. The hair is usually divided into strands and wrapped around and secured to a curler, upon which it is maintained in a stretched condition during the heating operation.

The rods upon which the hair is wound are usually constructed'in sections which are relatively rotatable so that the hair can be secured to the sections and the hair, intermediate such places of securement, stretched by the rotation of one of the sections relative to the other. In order to prevent the tension of the stretched hair from rotating the rod sections, relatively, clutch devices are usually provided. One type of clutch now in use permits rotation in only one direction and as the operators wind the hair upon the rods in either direction, the clutches need to be related differently with the rod sections to be of use to different operators. Other rod sections can be rotated in both directions relatively by moving them relatively lengthwise to release the clutch mechanism, and this type is ob ectionable because of the additional time required to make the longitudinal adjustment.

An object of my invention is to provide a hair curler formedof sections which can be rotated relatively in either direction without longitudinal movement and which will automatically preventthe stretched hair wound thereon from rotating the sections relatively.

Another object of my invention resides in the provision of a simple curler consisting of sections which can be readily associated to prevent relative longitudinal movement and still allow relative rotation by manuallyovercoming a frictional clutch mechanism.

Still another object of my invention resides in the manner in which I associate curler rod sections to prevent their relative longitudinal movement while permitting relative rotative movement.

These and other objects will appear in the 1925. Serial No. 37,105.

following description of one embodiment of tudinal sectional view through the tube section showing the relation of the rod section therewith; Figure 3 is a side elevation of the tube section prior to assembly partially in section; and Figure 4 is a side elevation of the rod section prior to assembly with'the tube section.

Referringnow to the drawings by characters of reference, 10 represents one section of the curler which is formed of hollow taper-- inground tube stock, and preferably metal. The other section 11 of the curler is in the form of a cylindrical rod, which is of slightly less diameter than the interior wall of the tube and of greater length thanthe tube section.

Prior to assembly of the twosections, one end of the rod section is provided with a longitudinally extending slot 12 and the other end is flattened to provide a finger grip 13. An annular groove 14 is also formed in the rod section, adjacent the grip end, and a saw cut slot 15 is made substantially centrally of the rod. The separated sections l6 formed by the longitudinally extending slot 15 are spread outwardly providing clutch members which bear frictionally against the inner wall of the tube when they are compressed and the rod assembled therewith. The tension of the clutch members relative to the tube can be regulated by the degree to which they are bowed. I

The rod section described is inserted lengthwise through the tube section until the finger grip portion 18 engages the end of the tube, whereupon the tube section is crimped inwardly to form an annular shoulder 17 which projects into the groove 14 of the rod section. The shoulder so formed, when the sections are assembled, will prevent longitudinal movement of the sections relatively, while the clutch members are compressed and frictionally enga e the wall of the tube section to create suflIcient tension to overcome any tension of the hair when stretched which would cause the sections to rotate relatively.

It will be seen that I provide a two piece curler of simple construction which can be produced and assembled at a very low cost, and which can be rotated in either direction to stretch. the wound hair without relative longitudinal displacement.

In utilizing the curler for waving processes, a strand of hair gathered from the head, after being treated with a softening solution, and is tied adjacent the scalp by a string which is wedged into the slot 12 o the rod section. The strand of hair is then wound either Over or under the smaller end 18 of the tube section toward the larger end adjacent the grip 13 and is tied at the end of the wind by av string to the tube. The tube is made smaller at one end so that the thicker portion of the strandcan be received thereon and provide a cylindrical outer hair surface when the curl iswound. It will be seen that the hair. is secured to the rod section and to the tube section, so that when the tube section is held stationary the hair can be stretched lengthwise, by rotating the rod section in the same direction as that in which the strand is wound upon the tube section. lVhen the hair has been sufiiciently stretched to change its cross section, the clutch sections 16 of the rod will exertsutiicient pressure against the tube so thatthe curler sections will remain relatively stationary.

Various changes can be made in the tie scribed structure without departing from the spirit of my invention and the scope or" the appendedclaims.

What I claim is:

1. A; curler comprising a tube section upon which astrand of hair may be coiled and secured, a rod section extending through saidtubesection and having an end to which the strand of hair can be secured at the beginningof the coil on the tube section, said sections being manually rotatable to stretch the coiledstrand, friction meansto resist the rotation of said sections relatively, said rod having an annular groove into which portion of said tube is pressed to prevent relative longitudinal movement of said sections.

2. A curler comprising a tube section upon which a strand of hair may be coiled and secured, said section having an inwardly er:- tending annular shoulder, a rod section extending through said tube section having an end to which the strand of hair can be secured at'thebeginning of the coil, said rod having an annular groove into whichthe shoulder of said tube section projects, and means rietionally resisting the rotation oi said sec -ens relatively, said sections being relatively rotatable when said friction means is manually overcome to stretch the coiled hair on the curler.

3.. A device ofthe class described comprising a tube, and a rod of smaller diameter than the bore of the tube, the rod being rotatable in either direction in the tube, the rod being split lengthwise intermediate its ends and having the split-separated portions distorted to engage trictionally with the tube for resisting relative rotation of the tube andr-od.

4. A device of the class described comprising a tube having an annular inwardly extending rib near one endthereof, rod of smaller diameter than the bore of the tube and having an annular groove near one end to engage with the said rib, the said rod being split lengthwise intermediate its ends and distorted adjacent to the split to engage frictionally with the inside of the tube torresisting relative rotation of the rod and tube.

In testimony whereof, I hereunto atlix my signature.

' WILBUR S. 

